[RS]Function Martingale Multiplier V0 — Strategy by RicardoSantos

EXPERIMENTAL:
WARNING:Martingale is susceptible to huge drawdown spikes, use at your own risk.

simple functions for martingale wins and losses, multiplier can be adjusted manually to increase/decrease performance/drawdown.

Open-source script

In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.

Disclaimer

The information and publications are not meant to be, and do not constitute, financial, investment, trading, or other types of advice or recommendations supplied or endorsed by TradingView. Read more in the Terms of Use.

Want to use this script on a chart?

//@version=2
strategy(title='[RS]Function Martingale Multiplier V0', overlay=false, default_qty_type=strategy.cash, default_qty_value=1000, initial_capital=100000, currency=currency.USD)
wins_multiplier = input(defval=1.00, title='Scaling Multiplier for Consecutive Wins:')
losses_multiplier = input(defval=2.00, title='Scaling Multiplier for Consecutive Losses:')

// Setup trading conditions based on last performed trades performance.
direction = na(direction[1]) ? 1 : change(strategy.losstrades) > 0 and direction[1] > 0 ? -1 : change(strategy.losstrades) > 0 and direction[1] < 0 ? 1 : direction[1]

buy_cond = direction > 0 and change(strategy.opentrades) < 1
sel_cond = direction < 0 and change(strategy.opentrades) < 1

f_martingale_wins_multiplier(_multiplier) => _return = na(_return[1]) ? 1 : change(strategy.losstrades) > 0 ? 1 : change(strategy.wintrades) > 0 ? _return[1] * _multiplier : _return[1]
f_martingale_loss_multiplier(_multiplier) => _return = na(_return[1]) ? 1 : change(strategy.wintrades) > 0 ? 1 : change(strategy.losstrades) > 0 ? _return[1] * _multiplier : _return[1]

mode = change(strategy.wintrades) > 0 ? 1 : change(strategy.losstrades) > 0 ? -1 : nz(mode[1], 1)
trade_multiplier = mode > 0 ? f_martingale_wins_multiplier(wins_multiplier) : f_martingale_loss_multiplier(losses_multiplier)

trade_size = input(defval=100, title='Base trade value:')
trade_size_multiplied = trade_size * trade_multiplier

strategy.entry('B', long=true, qty=trade_size_multiplied, when=buy_cond)
strategy.entry('S', long=false, qty=trade_size_multiplied, when=sel_cond)

take_profit = input(defval=100, title='TP in ticks(1/10 of a pip):')
stop_loss = input(defval=100, title='SL in ticks(1/10 of a pip):')
strategy.exit('B', from_entry='B', profit=take_profit, loss=stop_loss)
strategy.exit('S', from_entry='S', profit=take_profit, loss=stop_loss)

plot(series=strategy.equity, title='Equity', color=black, linewidth=2)
plot(series=lowest(strategy.equity, 100), title='Base', color=red)